CN210738953U

CN210738953U - Centrifugal fan with dustproof construction

Info

Publication number: CN210738953U
Application number: CN201921354342.8U
Authority: CN
Inventors: 胡健文
Original assignee: Guangzhou Hongjian Ventilation Equipment Manufacturing Co ltd
Current assignee: Guangzhou Hongjian Ventilation Equipment Manufacturing Co ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-06-12
Anticipated expiration: 2029-08-20

Abstract

The utility model discloses a centrifugal fan with dustproof construction relates to centrifugal fan technical field, including a center section of thick bamboo, the one end of a center section of thick bamboo is connected with an air inlet section of thick bamboo, and a center section of thick bamboo keeps away from the one end of an air inlet section of thick bamboo and installs the motor, the output of motor rotates and is connected with the pivot that runs through a center section of thick bamboo and extend to an air inlet section of thick bamboo inside, the internally connected with impeller that the pivot outside is located a center section of thick bamboo, and the end of pivot is located an air inlet section of thick bamboo internally connected with dust guard, the inside of dust guard. The utility model discloses a set up a dust guard and an air inlet section of thick bamboo, during operation, the motor drives the impeller simultaneously through the pivot and rotates with the dust guard, because the inside of dust guard evenly is provided with the multiunit through-hole, the entering that the dust guard pivoted in-process does not influence the air current just can separate the shelves with the dust impurity particle in air hole, prevents that dust impurity particle from getting into in the section of thick bamboo of center, dustproof effect ideal.

Description

Centrifugal fan with dustproof construction

Technical Field

The utility model relates to a centrifugal fan technical field specifically is a centrifugal fan with dustproof construction.

Background

The centrifugal fan is a driven fluid machine which increases the gas pressure and discharges gas by means of input mechanical energy, and is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion.

The centrifugal fan can suck external dust into the fan and the ventilation pipeline system in the working process, the dustproof effect of the existing centrifugal fan is not ideal, the dust can be sucked in the working process, and the external dust can float into the fan when the centrifugal fan does not work.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the centrifugal fan with the dustproof structure is provided for solving the problem that the dustproof effect of the existing centrifugal fan is not ideal, dust can be sucked in the working process, and external dust can float into the inside of the fan when the centrifugal fan does not work.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a centrifugal fan with dustproof construction, includes a center section of thick bamboo, the one end of a center section of thick bamboo is connected with an air inlet section of thick bamboo, and a center section of thick bamboo keeps away from the one end of an air inlet section of thick bamboo and installs the motor, the output of motor rotates and is connected with the pivot that runs through a center section of thick bamboo and extend to the inside of an air inlet section of thick bamboo, the internally connected with impeller that the pivot outside is located a center section of thick bamboo, and the end of pivot is located the internally connected with the dust guard of an air inlet section of thick bamboo, the inside of dust guard evenly is provided with the multiunit through-hole, the inside one end of keeping away from a center section of thick bamboo of an air inlet.

Preferably, one end outside the central cylinder and one end outside the air inlet cylinder are respectively provided with a first connecting disc and a second connecting disc which correspond to each other, and the first connecting disc and the second connecting disc are connected through bolts.

Preferably, a flange is arranged on the outer side of the air outlet pipe.

Preferably, the turning plate is of a circular sheet structure and is attached to the inner wall of the air inlet cylinder.

Preferably, the outside of knob is provided with anti-skidding line, and has the neutral position between knob and the air inlet section of thick bamboo.

Preferably, the inner side of the air inlet cylinder is provided with a groove corresponding to the dust guard plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up a dust guard and an air inlet section of thick bamboo, in operation, the motor drives the impeller simultaneously through the pivot and rotates with the dust guard, because the inside of dust guard evenly is provided with the multiunit through-hole, the entering that the dust guard pivoted in-process does not influence the air current and can separate the shelves with the dust impurity particle in air hole, prevent that dust impurity particle from getting into a center section of thick bamboo, and it rotates through the knob to be located the air inlet department and to be connected with through the knob at air inlet section of thick bamboo inside, at the during operation, rotate through the knob and turn over the board, make and turn over the board and keep the level, the air inlet section of thick bamboo is opened, when out of work, continue to turn over the board through the knob rotation, it keeps perpendicular to make to turn over the board, the accessible turns.

Drawings

Fig. 1 is a schematic exploded view of the present invention;

FIG. 2 is a schematic view of the assembly structure of the present invention;

fig. 3 is a schematic view of the connection structure of the knob and the turning plate of the present invention.

In the figure: 1. a central barrel; 2. a first splice tray; 3. a bolt; 4. an air inlet cylinder; 5. a second connecting disc; 6. a motor; 7. a rotating shaft; 8. an impeller; 9. a dust-proof plate; 10. a through hole; 11. turning over a plate; 12. a connecting shaft; 13. a knob; 14. an air outlet pipe; 15. and (4) a flange.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a centrifugal fan with a dustproof structure includes a central cylinder 1, an air inlet cylinder 4 is connected to one end of the central cylinder 1, a motor 6 is installed at one end of the central cylinder 1 far from the air inlet cylinder 4, a rotating shaft 7 penetrating the central cylinder 1 and extending into the air inlet cylinder 4 is rotatably connected to an output end of the motor 6, an impeller 8 is connected inside the central cylinder 1 outside the rotating shaft 7, a dustproof plate 9 is connected inside the air inlet cylinder 4 at a tail end of the rotating shaft 7, multiple groups of through holes 10 are uniformly formed in the dustproof plate 9, a turning plate 11 is rotatably connected to one end of the air inlet cylinder 4 far from the central cylinder 1 through a connecting shaft 12, one end of the connecting shaft 12 extends to the outside of the air inlet cylinder 4 and is connected to a knob 13, and an air outlet pipe 14 is installed at.

The utility model discloses it is connected with through knob 13 rotation and turns over board 11 to be located the air inlet department inside the air inlet section of thick bamboo 4, at the during operation, turns over board 11 through knob 13 rotation, makes and turns over board 11 and keep the level, and air inlet section of thick bamboo 4 is opened, and when out of work, continues to turn over board 11 through knob 13 rotation, makes and turns over board 11 and keep perpendicular, and the accessible turns over board 11 from this and with the shutoff of air inlet section of thick bamboo 4, prevents that external dust from getting into in the section of.

Please refer to fig. 1 and fig. 2, the one end outside the central cylinder 1 and the one end outside the air inlet cylinder 4 are respectively provided with the first connection disc 2 and the second connection disc 5 corresponding to each other, and the first connection disc 2 and the second connection disc 5 are connected by the bolt 3, the utility model discloses accessible bolt 3 is connected the central cylinder 1 with the air inlet cylinder 4, convenient to detach and installation.

Please refer to fig. 1 and fig. 2, the flange 15 is disposed outside the air outlet pipe 14, the flange 15 is disposed at the air outlet pipe 14, and the air outlet pipe 14 can be connected to the external ventilation duct through the flange 15.

Please refer to fig. 1, fig. 2 and fig. 3, the turning plate 11 is a circular sheet structure, and the turning plate 11 is attached to the inner wall of the air inlet barrel 4, the present invention is to attach the turning plate 11 to the inner wall of the air inlet barrel 4, when the turning plate 11 is kept in a vertical state, the turning plate 11 and the air inlet barrel 4 are tightly closed, so as to prevent external dust from entering.

Please refer to fig. 1, fig. 2 and fig. 3, the outside of the knob 13 is provided with anti-slip lines, and there is a space between the knob 13 and the air inlet barrel 4, the utility model discloses a set up anti-slip lines, can increase the frictional force between knob 13 and the hand, through there being a space between knob 13 and air inlet barrel 4, prevent knob 13 and air inlet barrel 4 contact friction, can be convenient for the rotation of knob 13.

Please refer to fig. 1, the inner side of the air inlet barrel 4 is provided with a groove corresponding to the dust guard 9, the present invention can prevent the dust guard 9 from generating contact friction with the inside of the air inlet barrel 4 when rotating by the groove.

The working principle is as follows: when in use, an external ventilating duct is connected with an air outlet pipe 14 through a flange 15, a knob 13 is rotated, the knob 13 drives a turning plate 11 to turn through a connecting shaft 12, the turning plate 11 is kept horizontal, an air inlet cylinder 4 is in an open state, a power supply is switched on, a motor 6 drives an impeller 8 and a dustproof plate 9 to rotate simultaneously through a rotating shaft 7, air is sucked through the air inlet cylinder 4 under the rotating centrifugal action of the impeller 8, when the air passes through the dustproof plate 9, as a plurality of groups of through holes 10 are uniformly arranged in the dustproof plate 9, the dustproof plate 9 does not influence the air flow to enter a central cylinder 1 through the plurality of groups of through holes 10 in the rotating process, and can separate dust and impurity particles in the air, so that the dust and impurity particles are prevented from entering the central cylinder 1, after the air enters the central cylinder 1, the air pressure is continuously improved under the rotating action of the impeller 8 and the air is discharged through the, after the air inlet cylinder is used, a power supply is turned off, the interior of the air inlet cylinder 4 is cleaned by the separated dust and impurity particles, after the cleaning is finished, the turning plate 11 is driven by the knob 13 to turn over, so that the turning plate 11 is kept vertical, the air inlet cylinder 4 can be blocked by the turning plate 11, and external dust is prevented from entering the central cylinder 1 through the air inlet cylinder 4.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a centrifugal fan with dustproof construction, includes a center section of thick bamboo (1), its characterized in that: one end of the central cylinder (1) is connected with an air inlet cylinder (4), one end of the central cylinder (1) far away from the air inlet cylinder (4) is provided with a motor (6), the output end of the motor (6) is rotationally connected with a rotating shaft (7) which penetrates through the central cylinder (1) and extends into the air inlet cylinder (4), the outer side of the rotating shaft (7) is positioned in the central cylinder (1) and is connected with an impeller (8), and the tail end of the rotating shaft (7) is positioned in the air inlet cylinder (4) and is connected with a dust guard (9), a plurality of groups of through holes (10) are uniformly arranged in the dust-proof plate (9), one end of the interior of the air inlet cylinder (4) far away from the central cylinder (1) is rotatably connected with a turning plate (11) through a connecting shaft (12), one end of the connecting shaft (12) extends to the outer side of the air inlet cylinder (4) and is connected with a knob (13), and an air outlet pipe (14) is arranged at the bottom end of the outer side of the central cylinder (1).

2. The centrifugal fan with the dustproof structure according to claim 1, wherein: one end of the outer side of the central cylinder (1) and one end of the outer side of the air inlet cylinder (4) are respectively provided with a first connecting disc (2) and a second connecting disc (5) which correspond to each other, and the first connecting disc (2) and the second connecting disc (5) are connected through bolts (3).

3. The centrifugal fan with the dustproof structure according to claim 1, wherein: and a flange (15) is arranged on the outer side of the air outlet pipe (14).

4. The centrifugal fan with the dustproof structure according to claim 1, wherein: the turning plate (11) is of a circular sheet structure, and the turning plate (11) is attached to the inner wall of the air inlet cylinder (4).

5. The centrifugal fan with the dustproof structure according to claim 1, wherein: the outside of knob (13) is provided with anti-skidding line, and has the neutral position between knob (13) and air inlet cylinder (4).

6. The centrifugal fan with the dustproof structure according to claim 1, wherein: the inner side of the air inlet cylinder (4) is provided with a groove corresponding to the dust guard (9).